Electromagnetic flow meter
First Claim
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3. A FLOW SENSOR FOR MONITORING TH FLOW OF BLOOD OR OTHER ELECTRICALLY CONDUCTIVE FLUID THROUGH A BLOOD VESSEL OR DEFORMABLE CONDUIT COMPRISING:
- A TUBULAR DIELECTRIC SUPPORT MEMBER HAVING AN APERTURE THERETHROUGH OF TRANSVERSE DIMENSION AND SHAPE CORRESPONDING TO THE BLOOD VESSEL OR CONDUIT TO BE MONITORED;
A PAIR OF ELECTRODES PENETRATING THE SUPPORT MEMBER AT SPACED POSITIONS;
LEADS MEANS CONNECTED TO RESPECTIVE ELECTRODES;
A SINGLE COIL COMPRISING A NUMBER OF TURNS OF INSULATED WIRE;
SAID COIL FORMED TO CONFORM WITH TEH EXTERNAL SURFACE OF THE SUPPORT MEMBER AND POSITIONED THEREON SO AS TO GENERATE A MAGNETIC FIELD IN THE LUMEN HAVING A COMPONENT TRANSVERSE TO THE FLUID FLOW;
SAID COIL INCLUDING PORTIONS EXTENDING OVER GREATER THAN HALF OF THE CIRCUMFERENTIAL LENGTH OF THE SUPPORT MEMBER;
SAID SUPPORT MEMBER LONGITUDINALLY SEGMENTED IN THE PERIPHERAL REGION OUTSIDE OF THE COIL TO CONSTITUTE AN OPENABLE PORTION FOR INSERTION OF A DEFORMABLE FLUID CONDUIT INTO THE APERTURE;
AND LEAD MEANS FOR SAID COIL TO CONDUIT CURRENT TO COIL TO GENERATE THE MAGNETIC FIELD.
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3 Claims
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3. A FLOW SENSOR FOR MONITORING TH FLOW OF BLOOD OR OTHER ELECTRICALLY CONDUCTIVE FLUID THROUGH A BLOOD VESSEL OR DEFORMABLE CONDUIT COMPRISING:
- A TUBULAR DIELECTRIC SUPPORT MEMBER HAVING AN APERTURE THERETHROUGH OF TRANSVERSE DIMENSION AND SHAPE CORRESPONDING TO THE BLOOD VESSEL OR CONDUIT TO BE MONITORED;
A PAIR OF ELECTRODES PENETRATING THE SUPPORT MEMBER AT SPACED POSITIONS;
LEADS MEANS CONNECTED TO RESPECTIVE ELECTRODES;
A SINGLE COIL COMPRISING A NUMBER OF TURNS OF INSULATED WIRE;
SAID COIL FORMED TO CONFORM WITH TEH EXTERNAL SURFACE OF THE SUPPORT MEMBER AND POSITIONED THEREON SO AS TO GENERATE A MAGNETIC FIELD IN THE LUMEN HAVING A COMPONENT TRANSVERSE TO THE FLUID FLOW;
SAID COIL INCLUDING PORTIONS EXTENDING OVER GREATER THAN HALF OF THE CIRCUMFERENTIAL LENGTH OF THE SUPPORT MEMBER;
SAID SUPPORT MEMBER LONGITUDINALLY SEGMENTED IN THE PERIPHERAL REGION OUTSIDE OF THE COIL TO CONSTITUTE AN OPENABLE PORTION FOR INSERTION OF A DEFORMABLE FLUID CONDUIT INTO THE APERTURE;
AND LEAD MEANS FOR SAID COIL TO CONDUIT CURRENT TO COIL TO GENERATE THE MAGNETIC FIELD.
- A TUBULAR DIELECTRIC SUPPORT MEMBER HAVING AN APERTURE THERETHROUGH OF TRANSVERSE DIMENSION AND SHAPE CORRESPONDING TO THE BLOOD VESSEL OR CONDUIT TO BE MONITORED;
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Current AssigneeAlexander Kolin, Roger Wisshaupt
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Original AssigneeAlexander Kolin, Roger Wisshaupt
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InventorsKolin, Alexander, ROGER WISSHAUPT
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Application NumberUS04/376,906Time in Patent Office1,002 DaysField of SearchUS Class Current73/861.12CPC Class CodesA61B 5/0265 using electromagnetic means...G01F 1/588 combined constructions of e...
